Left to the open air, the built-in speaker is (not surprisingly) 'tinny' sounding, it seems to do well when resting on a flat soft surface though (like arm of sofa, table cloth, etc.) to get a more normal sound reproduction out of it.
Just about any headphones will be fine, though these 'bud' ones have confirmed to me that I wouldn't get along with that style
Going to try my ipod ones.
I've only used my (7 year old) bluetooth earloop for making 1 call so far, it did the job OK, though having used the same earloop on my older phones and also as a bluetooth headset for my PC, it seems to be a 2nd class device not really suited for media playback (when I tried it) compaired to wired phones.
---------- Post added at 05:35 PM ---------- Previous post was at 05:00 PM ----------
Just thought I'd give my bluetooth earloop another go and it's not working for any media at the moment - I'm sure I wasn't imagining things
Briefly the google maps navigation voice comes through on the earloop when Nuance / voice control activates, but otherwise my bluetooth set is only functioning for calls.
The ipod phones work a treat, just don't have the mic and button control on them of course.